2022 S3 EOY P1 2022 S3 EOY P1 2022 S3 EOY P1 1 / 30 2022 S3 EOY P1 Q01 What is the SI base units of energy? kg m2 s−2 kg m s−1 kg m s−3 m2 s−2 2 / 30 (not tested - no longer in syllabus) 2022 S3 EOY P1 Q00 The diagram shows the reading on a pair of vernier calipers used to measure the length of an object. The correct length of the object is 6.47 cm. What is the zero error of the vernier calipers? − 0.08 cm + 0.02 cm + 0.08 cm − 0.02 cm 3 / 30 2022 S3 EOY P1 Q03 A pendulum is set in motion and 20 complete swings are timed. The time measured is 25.0 s. What is the period and the shortest time t for the pendulum to swing from X to Y? A C D B 4 / 30 2022 S3 EOY P1 Q04 A ray of light strikes a plane mirror at position M1 at an angle of 30°. The mirror is then rotated anticlockwise through an angle of 10° to a new position M2 without changing the direction of the incident ray. What is the angle between the incident ray and the new reflected ray? 70º 90º 100º 80º 5 / 30 2022 S3 EOY P1 Q05 The diagram (not to scale) shows three students standing 3.0 m apart in front of a plane mirror that is 4.0 m long. Student Y is standing opposite the mid-point of the mirror. How many students can see the images of the other two? 1 3 2 0 6 / 30 2022 S3 EOY P1 Q06 A boy stands 10 m in front of a large mirror. He walks perpendicularly towards the mirror at a speed of 0.50 m s−1. How far is his image from him 6.0 s later? 17 m 14 m 7.0 m 6.0 m 7 / 30 2022 S3 EOY P1 Q07 Which is not an effect of refraction? Light travels through glass fibres in an optical transmission line. A concave lens can be used to correct myopia. A swimming pool looks shallower compared to its actual depth. A straight drinking straw placed in a liquid appears bent at the surface. 8 / 30 2022 S3 EOY P1 Q08 A ray of light travels through an air bubble in liquid. Which diagram does not show a possible path of the light ray? A D B C 9 / 30 2022 S3 EOY P1 Q09 A light ray travels from medium 1 to medium 3 as shown in the diagram. Which row shows the refractive index of the mediums in increasing order? medium 3, medium 2, medium 1 medium 1, medium 3, medium 2 medium 3, medium 1, medium 2 medium 1, medium 2, medium 3 10 / 30 2022 S3 EOY P1 Q10 Which statement about the behaviour of light rays passing through a converging lens is always correct? Rays parallel to the principal axis are not deviated. The rays will converge to form a real image. Rays parallel to each other will converge at the principal focus. Rays parallel to the principal axis will converge at the principal focus. 11 / 30 2022 S3 EOY P1 Q11 An object is placed 20 cm away from a converging lens of focal length 6.0 cm. What type of image is produced? real, inverted and magnified virtual, upright and magnified real, inverted and diminished virtual, inverted and diminished 12 / 30 2022 S3 EOY P1 Q12 A girl uses a convex lens as a magnifying glass to observe an ant that is crawling on a table. The lens is held 5.0 cm above the table. The image of the ant is formed at a distance of 25.0 cm from the lens. What is the focal length of the lens? 6.3 cm 4.2 cm 30 cm 20 cm 13 / 30 2022 S3 EOY P1 Q13 A car takes 15 minutes to travel along the path PQRS. What is the average velocity of the car? 64 km h−1 80 km h−1 180 km h−1 180 km h–1 48 km h–1 64 km h–1 80 km h–1 14 / 30 2022 S3 EOY P1 Q14 A car has stopped at a red light. When the light changes to green, the car starts moving with a constant acceleration. The graph represents this motion. Which quantity is plotted on the y-axis and which quantity is plotted on the x-axis? A D B C 15 / 30 2022 S3 EOY P1 Q15 A ball is thrown vertically upwards, where it stops momentarily at the maximum height, before falling vertically down. Taking downwards as the positive direction, and ignoring the effects of air resistance, which of the following describes the ball’s acceleration? A D B C 16 / 30 2022 S3 EOY P1 Q16 A helicopter is descending vertically at a steady velocity of 5.0 m s−1. A small rock falls from the helicopter and hits the ground 3.0 seconds later. What is the distance the rock fell through? Ignore effects of air resistance. 90 m 105 m 60 m 53 m 17 / 30 2022 S3 EOY P1 Q17 A rocket is launched vertically and the velocity-time graph is obtained as shown below. Which graph shows how the resultant force varies with time for the same duration? It can be assumed that the mass of the rocket remains constant in this duration. C D A B 18 / 30 2022 S3 EOY P1 Q18 A skydiver is falling at terminal velocity. He now opens his parachute. Which statement correctly describes his weight and the resultant force acting on him immediately after he opens his parachute? D C B A 19 / 30 2022 S3 EOY P1 Q19 A block of melting ice, initially stationary, is pulled by a constant force F on a frictionless surface. The ice melts as it is being pulled. Which graph represents the motion of the ice block? A B D C 20 / 30 2022 S3 EOY P1 Q20 A man of mass 70 kg enters a lift of a tall building. He steps on a weighing scale. What is the reading on the weighing scale when the lift accelerates downwards at 2.0 m s−2? 840 N 770 N 630 N 560 N 21 / 30 2022 S3 EOY P1 Q21 Two blocks X and Y, of masses m and 3m respectively, are accelerated along a smooth horizontal surface by a force F applied to block X as shown. What is the magnitude of the force exerted by block Y on block X during this motion? F/2 F/4 F/3 3F/4 22 / 30 2022 S3 EOY P1 Q22 An object of weight W is tied to a thread of tension T and fixed to a wall. The object is pulled to the right with a force F and it remains stationary. Which diagram represents the system shown above? B C D A 23 / 30 2022 S3 EOY P1 Q23 The diagram below shows the top view of a uniform rectangular board acted upon by two forces along its edges. X is a pivot at the centre of the board. What is the magnitude of the resultant moment of the forces about pivot X? 38 N m 44 N m 24 N m 22 N m 24 / 30 2022 S3 EOY P1 Q24 Which force A, B, C or D would be the smallest force required to push the ball up the step? B C D A 25 / 30 2022 S3 EOY P1 Q25 The diagram shows a toy balancing on a pivot on a stand. When the toy is tilted slightly, it does not topple but returns to its original position. Which is the most likely position for the centre of gravity of this toy? A D B C 26 / 30 2022 S3 EOY P1 Q26 A rectangular block of mass 50 kg of uniform density is lifted from its horizontal position to stand vertically upright as shown in the diagram. How much gravitational potential energy is gained by the rectangular block? 1500 J 3000 J 2500 J 1300 J 27 / 30 2022 S3 EOY P1 Q27 Object P has a mass of 1.0 kg and is moving at a speed of 1.0 m s−1. Object Q has a mass of 2.0 kg and is moving at a speed of 0.50 m s−1. How do the kinetic energies of P and Q compare? The kinetic energy of P is the same as the kinetic energy of Q. The kinetic energy of P is twice the kinetic energy of Q. The kinetic energy of P is four times the kinetic energy of Q. The kinetic energy of P is half the kinetic energy of Q. 28 / 30 2022 S3 EOY P1 Q28 An object has mass m. It is dropped from height h above the ground. What is the ratio of (kinetic energy) / (gravitational potential energy) of the object when it is at height h/4? 3.0 0.25 0.33 4.0 29 / 30 2022 S3 EOY P1 Q29 A motor pulls a weight W up a rough slope at constant speed. The electrical energy used by the motor is E. Ignore effects of air resistance. What is the work done against friction along the slope? W y E – W x E – W y W z 30 / 30 2022 S3 EOY P1 Q30 Three solar panels have a total area of 7.2 m². Together, they produce 1.0 kW of output power. An area of 1.0 m² of each panel receives 0.80 kJ of energy from the Sun every second. What is the efficiency of the solar panels? 17 % 80 % 6.0 % 52 % Your score is